Writing pen with ink storage
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United States of America Patent
Stats
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Nov 26, 2013
Grant Date -
May 3, 2012
app pub date -
Oct 27, 2010
filing date -
Oct 27, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A writing pen with ink storage, including a writing nib, an ink storage compartment for storing ink, an ink inducing device for inducing ink into the writing nib, wherein the writing pen further includes an air pressure balancing plug which is plugged in an open end of the ink storage compartment to seal ink, and a breathable core having nanopores, the breathable core being inserted into the air pressure balancing plug with one end extending into ink and the other end communicating with ambient air. The writing pen with ink storage has simple structure, provides fluent writing and no ink leakage.
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Family
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Cited Art Landscape
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